The interest revenue off this $100,000 should be $8,000. This is actually fairly easy calculation. First, you divide $100,000 by .08. This gives you $8,000. That is literally all you need to do to find the interest revenue for the year this has been in this particular company’s hold. If the question had asked for a more complex answer, it should have asked for the interest revenue after something like a year and a half or something like that.
However, this is just the math done by a person who doesn’t usually do the math. The answer could actually be $2000, but I simply wouldn’t know how to get that answer. Even after all my research, math makes no sense.